Urban Future 2026 (UF26), Europe’s most action-oriented event for sustainable cities, will take place in Ljubljana, Slovenia, from March 24–27, 2026, bringing together more than 2,000 CityChangers from around the world. The first speakers have been announced, setting the tone for a programme built around six future-shaping tracks, including city centres, tactical urbanism, circularity, innovation in governance, change communications, and future-proof cities focused on practical ideas and global perspectives shaping how cities transform.